Home / 638,590.68-957,823.82-259,534.14

Finding the Fourth Proportional to 638,590.68, 957,823.82 and 259,534.14

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Solution

The fourth proportional to 638,590.68, 957,823.82 and 259,534.14 is: 389,275.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,590.68 : 957,823.82 = 259,534.14 : x
  2. Step 2: Convert to fraction form
    638,590.68/957,823.82 = 259,534.14/x
  3. Step 3: Cross multiply
    638,590.68x = 957,823.82 × 259,534.14
  4. Step 4: Simplify right side
    638,590.68x = 248,587,975,308.43
  5. Step 5: Solve for x
    x = 248,587,975,308.43/638,590.68
  6. Step 6: Final answer
    x = 389,275.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.